CN109435462B

CN109435462B - Quick replacement device of printing sword scraping bar

Info

Publication number: CN109435462B
Application number: CN201811156215.7A
Authority: CN
Inventors: 唐均宏; 余小江
Original assignee: Chongqing Kaizhou Printing Co ltd
Current assignee: Chongqing Kaizhou Printing Co ltd
Priority date: 2018-09-30
Filing date: 2018-09-30
Publication date: 2021-05-11
Anticipated expiration: 2038-09-30
Also published as: CN109435462A

Abstract

The invention discloses a quick replacing device for a printing knife scraping strip in the technical field of printing machines, which comprises a clamping device, a loading and unloading device, a clamping device and a feeding device, wherein the clamping device comprises an I-shaped supporting seat, a clamping rotary cylinder, a fixed clamping seat and an L-shaped supporting frame; the invention provides a quick replacing device for automatic printing knife scraping strips, which comprises a clamping rotary cylinder, a clamping cylinder and a clamping gas claw, wherein a feeding device comprises a feeding groove, a feeding baffle plate and a feeding spring, a plurality of groups of printing knife scraping strips are arranged on the right side of an inner cavity of the feeding groove side by side, and the plurality of groups of printing knife scraping strips are pressed and fixed by the feeding baffle plate.

Description

Quick replacement device of printing sword scraping bar

Technical Field

The invention relates to the technical field of printing machines, in particular to a quick replacing device for a printing knife scraping strip.

Background

At present, the high-grade printing scraper has high requirements on a cutter edge, and not only needs to have elasticity, but also needs rigidity and wear resistance, but the cutter is difficult to produce at home, generally imported from Germany, Sweden and Japan, so that the market of the whole high-grade printing scraper is basically occupied abroad, and a printing scraper with a simple manufacturing method and strong cutter edge quality is urgently needed at present, if accumulated slurry is not collected in time, no slurry exists in a printing area, the printing quality problem caused by drying of the accumulated slurry and partial slurry waste are caused, and a printing machine provided with a scraper with a return wing can be installed on the market, but the size of the return wing is often not matched with the size of the printing machine, so that the printing machine cannot be installed.

For this reason, those skilled in the relevant art have improved this, for example, chinese patent application No. CN201410219573.3 discloses "a scraper suitable for different printing machines, including a main body of a printing knife, side wings, a mounting handle and a scraping strip of the printing knife, the bottom of the back of the main body of the printing knife is provided with a descending step surface, a secondary body of the printing knife is fixed on the step surface, a mounting groove for the scraping strip of the printing knife is formed between the main body of the printing knife and the secondary body of the printing knife, a scraping strip of the printing knife is mounted in the mounting groove of the scraping strip of the printing knife and is fixed by four groups of hexagon socket head cap screws", when the scraping strip of the printing knife is replaced by the scraper of the printing machine, firstly, the four hexagon socket head screws need to be screwed down one by the hand with the aid of a wrench tool, the old scraping strip is dismounted, the four hexagon socket head screws are screwed one by one after the new scraping strip, the manual replacement of the scraping strip occupies the production working time and affects the production efficiency.

Based on the above, the invention provides a quick replacing device for a printing knife scraping strip, which solves the problems.

Disclosure of Invention

The invention aims to provide a quick replacement device for a printing knife scraping strip, and aims to solve the problems that the operation steps of replacing the scraping strip by the printing knife in the existing printing machine are complicated, the replacement efficiency is low, and particularly, the manual replacement of the scraping strip for a printing machine production line using the printing knife occupies the production working time and affects the production efficiency.

In order to achieve the purpose, the invention provides the following technical scheme: a quick replacement device for a printing knife scraping strip comprises a clamping device, a loading and unloading device, a clamping device and a feeding device, wherein the clamping device comprises an I-shaped supporting seat, a clamping rotary cylinder is mounted at the top of the I-shaped supporting seat, a fixed clamping seat and an L-shaped supporting frame are mounted at the rotating end of the top of the clamping rotary cylinder, a printing knife is arranged on the fixed clamping seat in a clamping mode, a compression air cylinder is mounted at the top of a cross rod of the L-shaped supporting frame, a telescopic end of the bottom of the compression air cylinder is connected with a clamping pressing plate, and the clamping pressing plate is located right above the fixed clamping seat;

the loading and unloading device comprises a loading and unloading supporting seat, a sliding table cylinder is fixedly mounted on the front side wall of the loading and unloading supporting seat through a right-angle connecting block, a lifting mounting plate is fixedly connected to the right movable end of the sliding table cylinder, a lifting slide rod is fixedly connected to the bottom of the lifting mounting plate, a limiting block is arranged at the bottom of the lifting slide rod, an electric batch mounting plate is sleeved on the outer wall of the lifting slide rod in a sliding mode, a loading and unloading spring is arranged between the electric batch mounting plate and the lifting mounting plate in a butting mode, and four groups of electric batches distributed side;

the clamping device comprises a clamping rotary cylinder arranged in the middle of the front side wall of the loading and unloading supporting seat, a clamping cylinder is arranged at the front side rotary end of the clamping rotary cylinder through a cylinder mounting seat, and a clamping gas claw is arranged at the right telescopic end of the clamping cylinder;

the feeding device comprises a feeding groove, a feeding baffle and a feeding spring, wherein the feeding spring is connected and arranged between the left side wall of the inner cavity of the feeding groove and the feeding baffle, a plurality of groups of printing cutter scraping strips are arranged on the right side of the inner cavity of the feeding groove side by side, and the printing cutter scraping strips are fixed by the jacking of the feeding baffle.

Preferably, a collecting frame for collecting the used printing knife scraping strips is arranged below the electric screwdriver and used for collecting the used printing knife scraping strips, so that the later cleaning work is facilitated.

Preferably, the lifting mounting plate is provided with a proximity sensor for detecting the electric screwdriver mounting plate, and the screw is judged to be completely withdrawn by detecting that the electric screwdriver mounting plate is lifted in place.

Preferably, the top center department of fixed mounting holder sets up the handle of a knife mounting groove with printing handle of a knife matched with, plays the positioning action, reduces clamping position deviation, the left and right sides symmetry of handle of a knife mounting groove is provided with the direction slope, and the printing sword of being convenient for is packed into.

Preferably, the bottom of clamping clamp plate is provided with the rubber cushion layer, plays the guard action, prevents that the printing knife from rubbing the scratch.

Preferably, the bottom mounting end of the electric screwdriver is provided with an inner hexagonal wrench which is matched with the electric screwdriver for driving to automatically screw the inner hexagonal screw.

Compared with the prior art, the invention has the beneficial effects that: the automatic screwing device is reasonable in structure, and synchronous batch type automatic screwing of the hexagon socket screws for fixing the scraping strips of the printing knife is realized through synchronous working of the four groups of electric screwdriver sets which are arranged in parallel, so that the traditional manual screwing is replaced, the scraping strip replacement operation is simplified, and the scraping strip replacement efficiency is improved; the clamping device and the feeding device are matched with each other, uninterrupted continuous feeding can be realized, only the printing cutter needs to be arranged in the clamping device during replacement, the device is particularly suitable for batch scraper bar replacement work during regular maintenance of a printing machine production line, the replacement time can be shortened, and the production work efficiency is greatly improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a clamping device according to the present invention;

FIG. 3 is a schematic view of the electric screwdriver mounting structure according to the present invention;

FIG. 4 is a schematic view of a printing blade used in the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-clamping device, 2-handling device, 3-gripper device, 4-feeder device, 5-I-shaped support, 6-clamping rotary cylinder, 7-fixing clamp, 71-shank mounting groove, 72-guide slope, 8-L-shaped support, 9-pressing cylinder, 10-clamping press plate, 11-handling support, 12-right angle connecting block, 13-sliding cylinder, 14-lifting mounting plate, 15-lifting slide bar, 16-limiting block, 17-electric batch mounting plate, 18-handling spring, 19-electric batch, 20-gripper rotary cylinder, 21-cylinder mounting, 22-gripper cylinder, 23-gripper gas claw, 24-feed groove, 25-feed baffle, 26-feed spring, 27-collection box, 28-proximity sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a quick replacement device for a printing knife scraping strip comprises a clamping device 1, a loading and unloading device 2, a clamping device 3 and a feeding device 4, wherein the clamping device 1 comprises an I-shaped supporting seat 5, a clamping rotary cylinder 6 is installed at the top of the I-shaped supporting seat 5, a fixing clamping seat 7 and an L-shaped supporting frame 8 are installed at the rotating end of the top of the clamping rotary cylinder 6, a knife handle installation groove 71 matched with a printing knife handle is formed in the center of the top of the fixing clamping seat 7, the positioning effect is achieved, the clamping position deviation is reduced, guide slopes 72 are symmetrically arranged on the left side and the right side of the knife handle installation groove 71, the printing knife is convenient to load, the printing knife is clamped on the fixing clamping seat 7, a compression air cylinder 9 is installed at the top of a cross bar of the L-shaped supporting frame 8, a clamping pressing plate 10 is connected with the telescopic end of the, the printing knife is prevented from being rubbed and scratched, and the clamping pressing plate 10 is positioned right above the fixed clamping seat 7; the handling device 2 comprises a handling support seat 11, a sliding table cylinder 13 is fixedly installed on the front side wall of the handling support seat 11 through a right-angle connecting block 12, a lifting mounting plate 14 is fixedly connected to the right movable end of the sliding table cylinder 13, a lifting slide rod 15 is fixedly connected to the bottom of the lifting mounting plate 14, a limiting block 16 is arranged at the bottom of the lifting slide rod 15, an electric screwdriver mounting plate 17 is sleeved on the outer wall of the lifting slide rod 15 in a sliding manner, a proximity sensor 28 for detecting the electric screwdriver mounting plate 17 is installed on the lifting mounting plate 14, the situation that the screw is completely withdrawn is judged by detecting that the electric screwdriver mounting plate 17 is lifted in place, a handling spring 18 is arranged between the electric screwdriver mounting plate 17 and the lifting mounting plate 14 in a butting manner, four groups of electric screwdrivers 19 which are distributed side by side are arranged on the electric screwdriver mounting plate 17, an inner hexagon wrench is installed at the bottom mounting end of the electric screwdriver 19 and is matched, the waste printing knife scraping strip collecting device is used for collecting waste printing knife scraping strips, and is convenient for later cleaning work; press from both sides and get device 3 and press from both sides rotatory cylinder 20 including installing in the middle part of loading and unloading supporting seat 11 preceding lateral wall, the rotatory end of front side of pressing from both sides and getting rotatory cylinder 20 is installed through cylinder mount pad 21 and is pressed from both sides and get cylinder 22, the flexible end in right side of pressing from both sides and getting cylinder 22 is provided with and presss from both sides and gets gas claw 23, feedway 4 includes feed tank 24, feeding baffle 25 and feed spring 26, feed spring 26 connects and sets up between the inner chamber left side wall of feed tank 24 and feed baffle 25, the inner chamber right side of feed tank 24 is provided with the multiunit printing sword side by side and scrapes the strip.

One specific application of this embodiment is: the device is a quick replacement device for a printing knife scraping strip, when in use, a clamping device 6 is controlled to be transferred from a left loading and unloading station to a front loading station, a printing knife to be replaced is manually loaded, two sides of a mounting knife handle of the printing knife are attached to two sides of an inner cavity of a knife handle mounting groove 71 during clamping, the side wall of a main body of the printing knife is abutted against the side wall of a printing knife 7 to play a role in positioning, after the printing knife is well prevented, a fixing clamp holder 7 is started to drive a clamping pressing plate 10 to press down, the printing knife is pressed and fixed, after the fixing is completed, a clamping rotary cylinder 6 is rotated back to the left loading and unloading station, a sliding table air cylinder 13 is started to contract and an electric screwdriver 19 rotates reversely, a right movable end of the sliding table air cylinder 13 drives a lifting mounting plate 14 to move downwards, the electric screwdriver 19 moves downwards along with the electric screwdriver 19 until a bottom spanner of the electric screwdriver 19 is contacted with, the electric screwdriver mounting plate 17 overcomes the elastic force of the loading and unloading spring 18 and rises relative to the lifting mounting plate 14, when the screws are completely screwed out, the electric screwdriver mounting plate 17 just approaches the sensor 28 and can trigger the approach sensor 28, at the moment, the electric screwdriver 19 stops rotating, the old scraping strips drop into the collecting frame 27 after losing the screw fixation, then the clamping rotary cylinder 20 rotates to a station below the material taking position, the clamping cylinder 22 drives the clamping air claw 23 to extend out, the clamping air claw 23 clamps and clamps the new scraping strips on the rightmost side in the feeding groove 24, the feeding baffle plate 25 supports and keeps a plurality of groups of new scraping strips in an upright state to be clamped through the supporting action of the feeding spring 26, the clamping cylinder 22 retracts after clamping, the clamping rotary cylinder 20 rotates back to a right station for charging, the new scraping strips are butted with the printing knife main body, the electric screwdriver 19 is started again, the screws are screwed downwards to fix, and the scraping strips are replaced;

the mechanism clamping rotary cylinder 6, the pressing cylinder 9, the sliding table cylinder 13, the clamping rotary cylinder 20, the clamping cylinder 22 and the clamping pneumatic claw 23 are all pneumatic actuating elements, are all connected with compressed air sources through electromagnetic valves, and are controlled to start the elements to move by controlling the electromagnetic valves to be powered on and powered off through a PLC (programmable logic controller), and corresponding detection sensors are installed on the actuating elements, and the application and debugging of the sensors are common general knowledge well known by related technical personnel in the technical field, and are not described in detail, so the mechanical structure, the action time sequence and the principle of the device in the technical scheme are mainly introduced in the embodiment.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a quick replacement device of printing sword scraping bar, includes clamping device (1), handling device (2), presss from both sides and gets device (3) and feedway (4), its characterized in that: the clamping device (1) comprises an I-shaped supporting seat (5), a clamping rotary cylinder (6) is mounted at the top of the I-shaped supporting seat (5), a fixing clamping seat (7) and an L-shaped supporting frame (8) are mounted at the top rotating end of the clamping rotary cylinder (6), a printing knife is mounted on the fixing clamping seat (7) in a clamping mode, a pressing air cylinder (9) is mounted at the top of a cross rod of the L-shaped supporting frame (8), a clamping pressing plate (10) is connected to the bottom telescopic end of the pressing air cylinder (9), and the clamping pressing plate (10) is located right above the fixing clamping seat (7); a knife handle installation groove (71) matched with the printing knife handle is formed in the center of the top of the fixing clamping seat (7), and guide slopes (72) are symmetrically arranged on the left side and the right side of the knife handle installation groove (71);

the loading and unloading device (2) comprises a loading and unloading supporting seat (11), a sliding table cylinder (13) is fixedly mounted on the front side wall of the loading and unloading supporting seat (11) through a right-angle connecting block (12), a lifting mounting plate (14) is fixedly connected to the right side movable end of the sliding table cylinder (13), a lifting slide rod (15) is fixedly connected to the bottom of the lifting mounting plate (14), a limiting block (16) is arranged at the bottom of the lifting slide rod (15), an electric batch mounting plate (17) is sleeved on the outer wall of the lifting slide rod (15) in a sliding mode, a loading and unloading spring (18) is arranged between the electric batch mounting plate (17) and the lifting mounting plate (14) in a butting mode, and electric batch mounting plates (17) are provided;

the clamping device (3) comprises a clamping rotary cylinder (20) arranged in the middle of the front side wall of the assembling and disassembling support seat (11), a clamping cylinder (22) is arranged at the front side rotary end of the clamping rotary cylinder (20) through a cylinder mounting seat (21), and a clamping air claw (23) is arranged at the right telescopic end of the clamping cylinder (22);

the feeding device (4) comprises a feeding groove (24), feeding baffles (25) and feeding springs (26), wherein the feeding springs (26) are connected and arranged between the left side wall of the inner cavity of the feeding groove (24) and the feeding baffles (25), a plurality of groups of printing cutter scraping strips are arranged on the right side of the inner cavity of the feeding groove (24) side by side, and the printing cutter scraping strips are pressed and fixed by the feeding baffles (25).

2. A device for the rapid exchange of wiper strips for printing blades according to claim 1, characterized in that: a collecting frame (27) for collecting the scraping strip of the old printing knife is arranged below the electric screwdriver (19).

3. A device for the rapid exchange of wiper strips for printing blades according to claim 1, characterized in that: and a proximity sensor (28) for detecting the electric screwdriver mounting plate (17) is mounted on the lifting mounting plate (14).

4. A device for the rapid exchange of wiper strips for printing blades according to claim 1, characterized in that: and a rubber cushion layer is arranged at the bottom of the clamping pressing plate (10).

5. A device for the rapid exchange of wiper strips for printing blades according to claim 1, characterized in that: and an inner hexagonal wrench is installed at the bottom installation end of the electric screwdriver (19).